Taras Chornyi 690cc86321 net: ipv4: devinet: Fix crash when add/del multicast IP with autojoin ... When CONFIG_IP_MULTICAST is not set and multicast ip is added to the device with autojoin flag or when multicast ip is deleted kernel will crash. steps to reproduce: ip addr add 224.0.0.0/32 dev eth0 ip addr del 224.0.0.0/32 dev eth0 or ip addr add 224.0.0.0/32 dev eth0 autojoin Unable to handle kernel NULL pointer dereference at virtual address 0000000000000088 pc : _raw_write_lock_irqsave+0x1e0/0x2ac lr : lock_sock_nested+0x1c/0x60 Call trace: _raw_write_lock_irqsave+0x1e0/0x2ac lock_sock_nested+0x1c/0x60 ip_mc_config.isra.28+0x50/0xe0 inet_rtm_deladdr+0x1a8/0x1f0 rtnetlink_rcv_msg+0x120/0x350 netlink_rcv_skb+0x58/0x120 rtnetlink_rcv+0x14/0x20 netlink_unicast+0x1b8/0x270 netlink_sendmsg+0x1a0/0x3b0 ____sys_sendmsg+0x248/0x290 ___sys_sendmsg+0x80/0xc0 __sys_sendmsg+0x68/0xc0 __arm64_sys_sendmsg+0x20/0x30 el0_svc_common.constprop.2+0x88/0x150 do_el0_svc+0x20/0x80 el0_sync_handler+0x118/0x190 el0_sync+0x140/0x180 Fixes: 93a714d6b5 ("multicast: Extend ip address command to enable multicast group join/leave on") Signed-off-by: Taras Chornyi <taras.chornyi@plvision.eu> Signed-off-by: Vadym Kochan <vadym.kochan@plvision.eu> Signed-off-by: David S. Miller <davem@davemloft.net>		2020-04-09 10:27:23 -07:00
..
6lowpan
9p
802
8021q
appletalk
atm
ax25
batman-adv
bluetooth
bpf
bpfilter
bridge
caif
can
ceph
core	net-sysfs: remove redundant assignment to variable ret	2020-04-09 10:14:53 -07:00
dcb
dccp
decnet
dns_resolver
dsa
ethernet
ethtool
hsr	hsr: check protocol version in hsr_newlink()	2020-04-07 18:34:18 -07:00
ieee802154
ife
ipv4	net: ipv4: devinet: Fix crash when add/del multicast IP with autojoin	2020-04-09 10:27:23 -07:00
ipv6	net: icmp6: do not select saddr from iif when route has prefsrc set	2020-04-07 18:25:10 -07:00
iucv
kcm
key
l2tp	l2tp: Allow management of tunnels and session in user namespace	2020-04-08 14:30:46 -07:00
l3mdev
lapb
llc
mac80211
mac802154
mpls
mptcp
ncsi
netfilter
netlabel
netlink
netrom
nfc
nsh
openvswitch
packet
phonet
psample
qrtr	net: qrtr: send msgs from local of same id as broadcast	2020-04-09 10:08:31 -07:00
rds	net/rds: Fix MR reference counting problem	2020-04-09 10:22:00 -07:00
rfkill
rose
rxrpc
sched	net: sched: Fix setting last executed chain on skb extension	2020-04-07 18:32:08 -07:00
sctp
smc
strparser
sunrpc
switchdev
tipc
tls	net/tls: fix const assignment warning	2020-04-08 14:34:02 -07:00
unix
vmw_vsock
wimax
wireless
x25
xdp
xfrm
compat.c
Kconfig
Makefile
socket.c
sysctl_net.c